1569509

Information

• Patent Grant
• 1569509

• References
• Source

• Patent Number

  1,569,509

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1926
  99 years ago

• CPC

  • A63H33/3027 - Radio or television sets

• US Classifications

  • 446 - Amusement devices: toys
  • 434 - Education and demonstration
  • 472 - Amusement devices